Future perfect continuous

I [blank_start]will[blank_end] [blank_start]have[blank_end] been [blank_start]waiting[blank_end] here for three hours by six o'clock.

By 2001 I will [blank_start]have[blank_end] [blank_start]been[blank_end] [blank_start]living[blank_end] in London for sixteen years.

When I finish this course, I [blank_start]will[blank_end] [blank_start]have[blank_end] [blank_start]been[blank_end] learning English for twenty years.

Next year I [blank_start]will[blank_end] have [blank_start]been[blank_end] working here for four years.

When I come at 6:00, [blank_start]will[blank_end] you [blank_start]have[blank_end] been [blank_start]practicing[blank_end] long?

We will [blank_start]have[blank_end] been [blank_start]driving[blank_end] 6 hours by the time we get home.

In the summer Mike [blank_start]will[blank_end] have [blank_start]been[blank_end] [blank_start]trying[blank_end] to find a new job for five months.

Jane will be very tired when she comes home, because she [blank_start]will[blank_end] [blank_start]have[blank_end] been [blank_start]flying[blank_end] over 24 hours. (fly)

My father and I [blank_start]will[blank_end] [blank_start]have[blank_end] been [blank_start]breeding[blank_end] sheep for 20 years tomorrow. (breed)

By the year 2020, linguists [blank_start]will[blank_end] [blank_start]have[blank_end] [blank_start]been[blank_end] [blank_start]studying[blank_end] and defining the Indo-European language family for more than 200 years. (study)